586 



INDEX. 



Oralis rosea, pulvinus of, 113 



, movement of ootyleflona at 



night. 117, 118. 307 



, effect of dull light, 124 



, non - sensitive cotyledons, 



127 



sensitiva, movement of coty- 

 ledons, 109, 127, 128 



■ , circumnutation of flower-stem, 



224 



, nocturnal movement of coty- 

 ledons, 307, 312 



, sleep of leaves, 327 



trnpceoloides, movement of co- 

 tyledons at night, 118, 1'zO 



Valdiviana, conjoint circum- 

 nutation of cotyledons and hypo- 

 cotyl, 25 



, cotyledons rising vertically at 



niglit, 114, 115, 117, 118 



, non-sensitive cotyledons, 127 



, nocturnal movement of coty- 

 ledon, 307, 312 



, sleep of leaves and not of co- 

 tyledons, 315 



, movements of leaves, 327 



FaeJiira aquatica, unequal cotyle- 

 dons, 9;i, n. 

 Pancratium litiorale, movement of 



leaves, 255 

 Paraheliotropism, or diui'nal sleep 



of leaves, 445 

 Passijlora gracilis, circumnutation 



and nyctitropio movement of 



leaves, 383, 384 

 — • — , apogeotropic movement of 



tendrils, 510 



, sensitiveness of tendrils, 550 



Pelargoniwn zonale, cir3umnutation 



of stem, 203 

 , and downvpard movement of 



young leaf, 232, 233, 269 

 Petioles, the, rising of, beneficial to 



plant at night, 402 

 Petunia violacea, downward move- 



rUASEOLUS. 



mcut and circumnutation of very 

 yoang leaf, 248, 249, 269. 



Pfeffer, Prof., on tlie turgesconce o( 

 the cells, 2 ; on pulvini of leaves, 

 113, 117; sleep movements of 

 leaves, 280, 283, 284; nocturnal 

 rising of leaves of Malva, 324; 

 movements of leaflets in Desmo- 

 dium gyrans, 358; on Phyllan- 

 tlms Niruri, 888; influence of a 

 pulvinus on leaves, 3a6 ; periodic 

 movements of sleeping leaves, 

 407, 408; movements of petals, 

 414 ; effect of bright sunshine on 

 leaflets of Robinia, 445 ; effect of 

 light on parts provided with pul- 

 vini, 363 



Fkalaris Canariensis, movements of 

 old seedlings, 62 



, circumnutation of cotyledons, 



63, 64, 108 



, heliotropio movement and cir- 

 cumnutation of cotyledon towards 

 a dim lateral light, 427 



, sensitiveness of cotyledon to 



light, 455 



, effect of exclusion of light 



from tips of cotyledons, 456 



, manner of bending towards 



light, 457 



, effects of painting with Indian 



ink, 467 



, transmitted effects of light, 



469 



, lateral illumination of tip, 



470 



, apogeotropic movement of the 



sheath-lUve cotyledons, 497 



, change from a straight up- 

 ward apogeotropic course to cir- 

 cumnutation, 499 



, apogeotropic movement of 



cotyledons, 500 



Phaseohis Mernandesii, nocturnal 

 movement of leaves and leaflets, 

 368 



caracalla, 93 



, nocturnal movement of leaves. 



368 



, effect of bright sunshine on 



leaflets, 446 



